The first two wave types, P and S, are called body waves because they travel or propagate through the body of Earth. The latter two are called surface waves they the travel along Earth's surface and their amplitude decreases with depth into Earth.
Toysmith Spring Ring Game. Here is a super fun game the kids might like. Nordstrom has this Toysmith Spring Ring Game for $14.98! That is down from the normal price of $24.99, for a 40% savings.
Labret (jewelry prices start at $17.99; aftercare is about $10.00) Tongue (jewelry prices start at $19.99; aftercare is about $8.00) Nipple (jewelry prices start at $18.99; aftercare is about $5.00) Lobe piercing with a needle $45.00 (jewelry prices start at $14.99; aftercare is about $5.00) Piercings that are NOT part of the daily BOGO special and do not include jewelry or aftercare.